<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        *{margin:0;padding:0}
        div{height:40px;background:yellow}
        span{line-height: 40px;}
    </style>
</head>
<body>
<div>
    <button class="one">heerfe</button>
    <span>heerfe</span>
    <span>heerfe</span>
</div>
</body>
</html>